assurance, n. [surety], [promise]; [confidence], conviction, assuredness; effrontery, audacity, [impudence]; [insurance].
astonish, v. [amaze], [stagger], astound, [overwhelm], flabbergast (Jocular).
astonishing, a. [amazing], astounding.
astonishment, n. [amazement], [surprise], [wonder], flabbergastation (Jocular).
astraddle, adv. astride.
asylum, n. [retreat], [sanctuary].
Athanasian Creed. Quicunque, Quicunque vult.
athlete, n. [gymnast], pancratist.
athletic, a. [gymnastic], agonistic, pancratic; [stalwart], [muscular], [able-bodied], [brawny], [lusty].
athletics, n. pl. [gymnastics], athletism. Associated words: agonistics, stadium.